﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0
 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
		<meta http-equiv="Content-Style-Type" content="text/css" />
		<meta http-equiv="Content-Script-Type" content="text/javascript" />
		<title>sample21</title>
		<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
		<script type="text/javascript">
$(function(){
	$("select").change(function(){
	if($(":selected").attr("value")=="10 대"){
		$("input").attr("disabled", "disabled");
	}else{
		$("input").removeAttr("disabled");
	}
	});
});
		</script>
	</head>
	<body>
<p> 나이：
<select name="age">
<option value=" 선택해주세요"> 선택해주세요</option>
<option value="10 대">10 대</option>
<option value="20 대">20 대</option>
<option value="30 대">30 대</option>
<option value="40 대이상">40 대이상</option>
</select></p>
<p> 좋아하는 술：<input type="text" /></p>

	</body>
</html>